HP 489127-001 - Optical drive extension board - Interconnects the optical drive to the motherboard Retail
HP C1708-60002 - Interconnect board - Interconnects the optical drive to the rest of the unit - Interconnect Board (Interconnects the Optical Drive to the Rest of the Unit) -in Bottom of Unit (Behind Optical Drive) Retail
HP C1705-60093 - Optical drive I/O ribbon cable - From optical drive I/O to interconnect board Retail
HP C1703-60059 - Interconnect board cable assembly - From interconnect board to autochanger controller board Retail